Attic temperatures can get extremely hot in the summer, often rising to 150 degrees Fahrenheit. You might think that this is not a big deal if you don’t go up there anyway, but actually, this extreme heat can make your air-conditioning system work harder to cool your home, resulting in higher energy bills. Worse, this heat can destroy your belongings and roofing. So, how do you expel heat from this area and make your home cooler? Install a home attic fan . A must for a cooler attic. An attic exhaust fan effectively ventilates the space to remove warm air. Before installing one, be sure to check if there is enough roof venting — there should be at least one square foot of venting for every 300 square feet of space. Many homes already have adequate attic vents, but it’s still a good idea to check. Attic fans come in two configurations: wired (which is powered by electricity) and solar-powered (which runs on the sun’s power). Electric-powered ones will keep ru...